Your Digital Toolbox
Everything you need to format, convert, calculate, and create — all in one place, completely free.
Why Choose AllToolsOnline?
We believe powerful tools should be accessible to everyone. Whether you're a developer formatting code, a writer counting words, or planning your finances, our collection of free online tools helps you work faster and smarter — no sign-up required.
Lightning Fast
All tools work instantly in your browser
100% Private
Your data never leaves your device
Always Free
No hidden fees, no registration needed
Text & Writing Tools
Case Converter
Transform text between uppercase, lowercase, title case, and sentence case
Text Cleaner
Remove unwanted characters, spaces, and formatting from your text
Word Counter
Count words, characters, sentences, and reading time instantly
Tweet Generator
Create compelling tweets with AI-powered suggestions
Developer Tools
JSON Formatter & Validator
Format, validate, and beautify JSON data with syntax highlighting
HTML Formatter
Format and beautify HTML code with proper indentation
CSS Formatter
Clean up and organize your CSS stylesheets automatically
CSS Loader Generator
Generate beautiful CSS loading animations and spinners
HTML Mobile Previewer
Test your HTML across different mobile screen sizes